keratinophilic

adjective

ke·​ra·​ti·​no·​phil·​ic ˌker-ət-ə-nə-ˈfil-ik  kə-ˌrat-ᵊn-ə- 

: exhibiting affinity for keratin (as in hair, skin, feathers, or horns)

—used chiefly of fungi capable of growing on such materials